2178110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19801}}^1$

素因数の和:19819

約数の個数: 16

約数和(自身を含む): 4277232

約数和(自身を除く): 2099122

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 19801, 39602, 99005, 198010, 217811, 435622, 1089055, 2178110]

約数ペア:

[(1, 2178110), (2, 1089055), (5, 435622), (10, 217811), (11, 198010), (22, 99005), (55, 39602), (110, 19801)]